Finding the Fourth Proportional to 88,109,826.10, 121,437,648.46 and 64,538,284.62

Step by Step Solution

1. Step 1: Write the proportion equation
   88,109,826.10 : 121,437,648.46 = 64,538,284.62 : x
2. Step 2: Convert to fraction form
   88,109,826.10/121,437,648.46 = 64,538,284.62/x
3. Step 3: Cross multiply
   88,109,826.10x = 121,437,648.46 × 64,538,284.62
4. Step 4: Simplify right side
   88,109,826.10x = 7,837,377,519,894,984
5. Step 5: Solve for x
   x = 7,837,377,519,894,984/88,109,826.10
6. Step 6: Final answer
   x = 88,950,096.34